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Finding the Fourth Proportional to 275,550.52, 412,940.84 and 148,917.76

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Solution

The fourth proportional to 275,550.52, 412,940.84 and 148,917.76 is: 223,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,550.52 : 412,940.84 = 148,917.76 : x
  2. Step 2: Convert to fraction form
    275,550.52/412,940.84 = 148,917.76/x
  3. Step 3: Cross multiply
    275,550.52x = 412,940.84 × 148,917.76
  4. Step 4: Simplify right side
    275,550.52x = 61,494,224,905.32
  5. Step 5: Solve for x
    x = 61,494,224,905.32/275,550.52
  6. Step 6: Final answer
    x = 223,168.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.